fix: 服务端使用本地IP

server/src/Common/Global.cs

@@ -0,0 +1,20 @@
+using System.Net;
+using System.Net.Sockets;
+
+public static class Global {
+    
+    public static readonly string localhost = "172.31.2.228";
+
+    public static string GetLocalIPAddress()
+    {
+        var host = Dns.GetHostEntry(Dns.GetHostName());
+        foreach (var ip in host.AddressList)
+        {
+            if (ip.AddressFamily == AddressFamily.InterNetwork)
+            {
+                return ip.ToString();
+            }
+        }
+        throw new Exception("No network adapters with an IPv4 address in the system!");
+    }
+}

server/src/Controllers/VideoStreamController.cs

@@ -148,10 +148,10 @@ public class VideoStreamController : ControllerBase
                 FrameWidth = _videoStreamService.FrameWidth,
                 FrameHeight = _videoStreamService.FrameHeight,
                 Format = "MJPEG",
-                HtmlUrl = $"http://localhost:{_videoStreamService.ServerPort}/video-feed.html",
-                MjpegUrl = $"http://localhost:{_videoStreamService.ServerPort}/video-stream",
-                SnapshotUrl = $"http://localhost:{_videoStreamService.ServerPort}/snapshot",
-                UsbCameraUrl = $"http://localhost:{_videoStreamService.ServerPort}/usb-camera"
+                HtmlUrl = $"http://{Global.localhost}:{_videoStreamService.ServerPort}/video-feed.html",
+                MjpegUrl = $"http://{Global.localhost}:{_videoStreamService.ServerPort}/video-stream",
+                SnapshotUrl = $"http://{Global.localhost}:{_videoStreamService.ServerPort}/snapshot",
+                UsbCameraUrl = $"http://{Global.localhost}:{_videoStreamService.ServerPort}/usb-camera"
             };
             return TypedResults.Ok(result);
         }
@@ -267,7 +267,7 @@ public class VideoStreamController : ControllerBase
             using (var httpClient = new HttpClient())
             {
                 httpClient.Timeout = TimeSpan.FromSeconds(2); // 设置较短的超时时间
-                var response = await httpClient.GetAsync($"http://localhost:{_videoStreamService.ServerPort}/");
+                var response = await httpClient.GetAsync($"http://{Global.localhost}:{_videoStreamService.ServerPort}/");
 
                 // 只要能连接上就认为成功，不管返回状态
                 isConnected = response.IsSuccessStatusCode;

server/src/Services/HttpVideoStreamService.cs

@@ -311,7 +311,7 @@ public class HttpVideoStreamService : BackgroundService
 
             // 创建 HTTP 监听器
             _httpListener = new HttpListener();
-            _httpListener.Prefixes.Add($"http://localhost:{_serverPort}/");
+            _httpListener.Prefixes.Add($"http://{Global.localhost}:{_serverPort}/");
             _httpListener.Start();
 
             logger.Info("HTTP 视频流服务已启动，监听端口: {Port}", _serverPort);